Restore Solaris/amd64 Ada bootstrap (PR ada/57188)

	PR ada/57188
	* gcc-interface/Makefile.in: Allow for amd64 solaris2.

From-SVN: r198824

gcc/ada/ChangeLog

+2013-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR ada/57188
+	* gcc-interface/Makefile.in: Allow for amd64 solaris2.
+
 2013-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR ada/56474

gcc/ada/gcc-interface/Makefile.in

@@ -1098,7 +1098,7 @@ ifeq ($(strip $(filter-out sparc% sun solaris%,$(targ))),)
 endif
 
 # x86 and x86-64 solaris
-ifeq ($(strip $(filter-out %86 %x86_64 solaris2%,$(arch) $(osys))),)
+ifeq ($(strip $(filter-out %86 %x86_64 %amd64 solaris2%,$(arch) $(osys))),)
   LIBGNAT_TARGET_PAIRS_COMMON = \
   a-intnam.ads<a-intnam-solaris.ads \
   s-inmaop.adb<s-inmaop-posix.adb \